Separation Processes MCQ

Q1. What is the role of an energy-separating agent (ESA)?

Q2. Which of the following is NOT a disadvantage of a mass-separating agent (MSA)?

Q3. Which separation process is best when volatility difference between species is small?

Q4. What is added when vapors leaving a distillation column are difficult to condense?

Q5. Which process exploits difference in melting points?

Q6. Separation using porous membranes is based on:

Q7. Which separation technique is based on electric charge and diffusivity?

Q8. What determines equipment size in separation processes?

Q9. Which property does not govern extent of separation?

Q10. Which method separates oxygen-rich and nitrogen-rich components?

Q11. Which detector is selective for electronegative compounds in chromatography?

Q12. Van Deemter equation predicts:

Q13. Most common carrier gases in gas chromatography are:

Q14. Which phase equilibrium method is useful in multistage separation?

Q15. What is a liquid-liquid extraction?

Q16. Which technique uses adsorption for separation?

Q17. Which equipment is used to separate suspensions?

Q18. Which separation process involves change of phases?

Q19. What is the main purpose of stripping?

Q20. Which process is used in drying solids?

Q21. What is the basis of crystallization?

Q22. In membrane separation, selectivity depends on:

Q23. Which property is essential for adsorbents?

Q24. Leaching involves:

Q25. Which is not a typical liquid-liquid extraction solvent?

Q26. Which factors affect separation efficiency?

Q27. Ion exchange resin is used to:

Q28. Gas absorption differs from distillation because:

Q29. Which unit is a key component in distillation?

Q30. Flash distillation is:

Q31. Electrophoresis separates molecules based on:

Q32. Which equation predicts plate efficiency in chromatography?

Q33. Co-current extraction differs from counter-current in:

Q34. Which property is important for design of separation columns?

Q35. Membrane fouling causes:

Q36. Which principle does adsorption follow?

Q37. Which is a physical separation method?

Q38. What is the liquid phase called in gas absorption?

Q39. Which technique is used to separate isotopes?